In a circular waveguide, if the propagation is in TE21 mode with P21= – McqOptions

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1.	In a circular waveguide, if the propagation is in TE21 mode with P21=3.054, with a diameter of 60 mm, then the cutoff frequency for the mode is:
A.	5.6 GHz
B.	6.4 GHz
C.	3.5 GHz
D.	4.8 GHz
Answer» E.

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